Home / 10,986.41-15,160.89-6,270.45

Finding the Fourth Proportional to 10,986.41, 15,160.89 and 6,270.45

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Solution

The fourth proportional to 10,986.41, 15,160.89 and 6,270.45 is: 8,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.41 : 15,160.89 = 6,270.45 : x
  2. Step 2: Convert to fraction form
    10,986.41/15,160.89 = 6,270.45/x
  3. Step 3: Cross multiply
    10,986.41x = 15,160.89 × 6,270.45
  4. Step 4: Simplify right side
    10,986.41x = 95,065,602.70
  5. Step 5: Solve for x
    x = 95,065,602.70/10,986.41
  6. Step 6: Final answer
    x = 8,653.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.